public interface KeyListener extends EventListener
KeyAdapter
类(仅覆盖感兴趣的方法)。
然后,使用该组件的addKeyListener
方法将从该类创建的侦听器对象注册到组件。 按键,释放或键入时会产生键盘事件。 然后调用侦听器对象中的相关方法,并将KeyEvent
传递给它。
KeyAdapter
, KeyEvent
, Tutorial: Writing a Key Listener
Modifier and Type | Method and Description |
---|---|
void |
keyPressed(KeyEvent e)
按下键时调用。
|
void |
keyReleased(KeyEvent e)
当键已被释放时调用。
|
void |
keyTyped(KeyEvent e)
键入键时调用。
|
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